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math.CO2020
Kings in Multipartite Hypertournaments
Jiangdong Ai, Stefanie Gerke, Gregory Gutin
In his paper "Kings in Bipartite Hypertournaments" (Graphs Combinatorics 35, 2019), Petrovic stated two conjectures on 4-kings in multipartite hypertournaments. We prove one o…
math.CO2020★ 1 cited
Proximity and Remoteness in Directed and Undirected Graphs
Jiangdong Ai, Stefanie Gerke, Gregory Gutin +1
Let be a strongly connected digraph. The average distance of a vertex of is the arithmetic mean of the distances from to all other vertices of . The r…